baber/WOPTO huggingface dataset:
Patent CA-2251073-A1 (CA)
Inventor: MCCULLOCH JASON D S
IPC: E06C7/18
Filed: 1998-10-20
Abstract: This invention relates to ladder accessories, in particular a handle device which is attached to the ladder and can be moved upwardly or downwardly along the ladder as the ladder user ascends or descends. The device includes a mechanism for gripping both side rails of the ladder and a mechanism for releasably engaging holes formed in one side of one of the side rails. A  handle member is rigidly attached to the gripping mechanism and permits a user to manually hold onto the device. The preferred engaging mechanism is a pivotable engagement member mounted on one side of the gripping mechanism and a spring which biases the engagement member to a position where one end thereof engages a side of one of the holes in the side rail. The preferred gripping mechanism includes two connecting bars that extend horizontally and are adjustable in length.
Patent CA-2251114-A1 (CA)
Title: Treatment of arthritis disorders, rheumatoid arthritis and manifestations associated with rheumatoid disorders
Inventor: MURRAY JAMES
IPC: A61K31/435
Filed: 1997-02-19
Abstract: The present invention relates to the use of pharmaceutically acceptable cholinesterase inhibitors for the preparation of a pharmaceutical composition for the treatment or prophylaxis of arthritic disorders, including osteoarthritis, rheumatoid arthritis and other rheumatoid diseases such as Juvenile Arthritis, Systemic Lupus Erythematosis, Sjögren's Syndrome, Progressive Systemic Sclerosis, Polymyositis, Dermatomyositis, Ankylosing Spondilitis, Reiter's Syndrome, Psoriatic Arthritis, Relapsing Polychondritis, Relapsing Panniculitis, Crohn's Disease, Ulcerative Colitis, Hereditary Complement Deficiencies, Collagen Vascular Diseases, Felty's Syndrome, rheumatological manifestations associated with bacterial and viral endocarditis or myocarditis and other rheumatological manifestations such as anaemia of chronic disorders. The invention also relates to a novel method of treatment or prophylaxis of such diseases and manifestations. Preferably, the cholinesterase inhibitors are selected from a group of nicotinic acetylcholinesterase inhibitors such as galantamine (the name of this drug was previously spelled galanthamine).
Patent CA-2251426-A1 (CA)
Title: Method and apparatus for continuously forming a blown film
Inventor: WEBENGA WILLIAM J
IPC: B29C48/32
Filed: 1998-10-16
Abstract: An apparatus is used in the continuous extrusion of blown films which includes a die suitable for use in forming a blown film bubble, and one or more primary gas outlets for use in stretching and drawing the extruded film prior to it stabilizing. The primary gas outlets direct cooling gas streams on the interior and/or exterior surface of an unstabilized portion of the blown film bubble as it emerges from the die. Secondary cooling gas outlets are also provided to introduce secondary gas streams into an upper stabilized portion of the blown film bubble above the bubble frost line. An exhaust conduit in gaseous communication with an interior of the bubble is used to maintain the gas pressure in the blown film bubble interior at a desired pressure. The exhaust inlet is located at a position adjacent the bubble frost line spaced away from the primary cooling gas outlets and marginally towards the secondary gas outlet.
Patent CA-2251788-A1 (CA)
Inventor: CUNNINGHAM ALLAN FRANCIS
IPC: C08F4/00
Filed: 1997-04-23
Abstract: Cette invention concerne des composés représentés par la formule (I) dans laquelle X est CH, C-CH¿3?, C-Cl, C-O-alkyle C¿1?-C¿8? ou N, R est alkyle C¿1?-C¿6?, benzyle, CH¿2?COOR¿3? ou un groupe représenté par la formule (a), R¿1? est alcoxy C¿1?-C¿8?, alkyle C¿1?-C¿12?, halogène, NO¿2?, benzyloxy ou phényloxy, le cycle phénylique du groupe benzyloxy ou phényloxy étant non substitué ou substitué par alkyle C¿1?-C¿12?, alcoxy C¿1?-C¿6?, halogène ou CF¿3?, R¿2? représente alcoxy C¿1?-C¿8?, alkyle C¿1?-C¿12?, benzyloxy ou phényloxy, le cycle phénylique du groupe benzyloxy ou phényloxy étant non substitué ou substitué par alkyle C¿1?-C¿12?, alcoxy C¿1?-C¿6?, halogène ou CF¿3?, R¿3? est hydrogène, alkyle C¿1?-C¿12? ou benzyle, Y est non substitué ou est alkyle C¿1?-C¿6? substitué par alcoxy C¿1?-C¿6?, ou Y est alcoxy C¿1?-C¿6?, halogène, CF¿3?, NO¿2?, CF¿3?O, benzyloxy ou phényloxy, le cycle phénylique du groupe benzyloxy ou phényloxy étant non substitué ou substitué par alkyle C¿1?-C¿12?, alcoxy C¿1?-C¿6?, halogène ou CF¿3? ou si n est égal à 2 et les deux Y sont alcoxy alors ces groupes alcoxy peuvent former un dioxolanne ou un dioxane soudé au phényle du résidu styryle, n est compris entre 1 et 4, et est de préférence égal à 1, et L est un anion. Lesdits composés sont utiles en tant que photoamorceurs, notamment lorsqu'ils sont utilisés en association à des anions de borate.
Patent CA-2255808-A1 (CA)
Title: Morphology matrix for short gearing
Inventor: GUTMANN PETER
IPC: F16D11/14
Filed: 1998-02-12
Abstract: The invention concerns a morphology matrix for forming the cross-sectional shape of a short gearing tooth, in particular on toothed wheels of motor vehicle gearboxes. The short gearing teeth are formed on a cylindrical section of a gear wheel or gear shift sleeve, the axis of this section coinciding with the displacement axis of the gear shift sleeve.       Each tooth comprises a tip which is chamfered in roof-like manner and has lateral flanks (3) which are shaped towards the tooth base (1) so that they have a relief at least over part of their height. The lateral flanks (3) terminate in a radiused tooth base (4), all of the teeth, or some thereof defined according to a regularly changing pattern, having at least a morphology defining the shape of the lateral flanks.
Patent CA-2260010-A1 (CA)
Inventor: MAYER BRUCE A II
IPC: A63C17/24
Filed: 1997-07-10
Abstract: A roller skate (10) of the in-line wheel type having spherically shaped wheels (30) and wherein the toe and heel wheels are disposed at a higher elevation than the interior wheels. The interior wheels are pivotally mounted (50, 52, 60) so the skater's boot (12) can pivot to maintain either the toe wheel and the interior wheels or the heel wheel and the interior wheels in contact with the skating surface. On turns, the interior wheels provide a braking action.
Patent CA-2260150-A1 (CA)
Title: Gas diffusion electrode
Inventor: WNEK GARY E
IPC: H01M8/10
Filed: 1997-06-24
Abstract: A gas diffusion electrode (1) for an electrochemical cell and a fuel cell employing the electrode are disclosed. The electrode includes a porous body (3) in contact with a catalyst (5) layer comprising (i) a catalyst dispersed on the surface of a carbon support; (ii) a water-insoluble sulfonated polystyrene, poly(.alpha.-methylstyrene) or SEBS block copolymer; and (iii) a nonionic fluorocarbon polymer. The fuel cell includes two of the foregoing electrodes and a membrane of a proton-conducting polymer between the electrodes. It also includes an inlet for a gaseous fuel, an inlet for an oxygen-containing gas, and an outlet for reaction products.
Patent CA-2262273-A1 (CA)
Title: Device and process for the continuous measuring of the inner wall wear of a metal container
Inventor: BRACONNIER FRANCK
IPC: F27D1/16
Filed: 1999-02-16
Abstract: A device for continuously measuring the wear of a wall of a metallurgical container incorporates a probe (19) which comprises at least two parallel electrical conducting elements (20, 21) and a tubular sleeve (23) insulated from each other by a insulating refractory (24), the probe being adapted so that it can be implanted transversely in the wall of the metallurgical container. A measuring system (10) is connected to the ends of these elements (20, 21) for measuring an electrical characteristic of the circuit formed by these elements. The method using this device for the continuous measurement of the wear on the lining of a metallurgical container is also claimed.
Patent CA-2262786-A1 (CA)
Title: 8-hydroxy-7-substituted quinolines as anti-viral agents
Inventor: THAISRIVONGS SUVIT
IPC: C07D405/06
Filed: 1997-09-05
Abstract: The present invention provides for 8-hydroxy-7-substituted quinoline compounds such as formula (IA). These compounds are useful as anti-viral agents. Specifically, these compounds have anti-viral activity against the herpes virus, cytomegalovirus (CMV). Many of these compounds are also active against other herpes viruses, such as the varicella zoster virus, the Epstein-Barr virus, the herpes simplex virus and the human herpes virus type 8 (HHV-8).
Patent CA-2264038-A1 (CA)
Inventor: OTTOSSON MATS G
IPC: B41J2/21
Filed: 1997-08-20
Abstract: A drop on demand inkjet printer according to the present invention comprises a piezoelectric inkjet print head (20) having a transducer (4) mechanically coupled to an ink channel (16), wherein the electrical actuation of the ink channel transducer results in the expulsion of a drop of ink from an ink channel orifice (12). The volume of the expelled drop of ink can be selectively varied by controlling the number of electrical signal pulses utilized to drive the print head transducer. Changes in the drop speed of the expelled ink drops can be regulated by modifying the amplitude of the electrical signal pulses. The signal pulses are preferably operated near or at the resonant frequency of the ink channel. When expelling larger drops of ink, the amplitude of the initial electrical signal pulses decreases initially, but increases beginning with a predetermined signal pulse. The amplitude of the electrical signal pulses can be increased throughout a burst series as well.  The present invention also relates to an apparatus and method to generate cancellation pulses to cancel residual pressure waves in an ink channel. The present invention also can utilize unipolar switches to expel ink droplets in selected channels.
Patent CA-2267652-A1 (CA)
Title: Lockbolt and method for wiping material from a lockbolt joint
Inventor: RICHARDS JOHN F
IPC: F16B19/05
Filed: 1999-03-31
Abstract: The present invention relates to a lockbolt and a method for installing a lockbolt that removes a coating, such as a sealant that has inadvertently flowed into a hole into which the lockbolt is to be installed. The lockbolt and method prevent a coupling surface of the lockbolt from being contaminated by the coating.
Patent CA-2268742-A1 (CA)
Title: Agonistes recepteurs hematopoietiques chimeriques multifonctionnels
Inventor: STREETER PHILIP R
IPC: C07K14/535
Filed: 1997-10-23
Abstract: L'invention concerne de nouvelles protéines agonistes réceptrices hématopoïétiques chimériques multifonctionnelles, des ADN qui codent les protéines agonistes réceptrices hématopoïétiques chimériques multifonctionnelles, des procédés de préparation de protéines agonistes réceptrices hématopoïétiques chimériques multifonctionnelles et des procédés d'utilisation des protéines agonistes réceptrices hématopoïétiques chimériques multifonctionnelles.
Patent CA-2269237-A1 (CA)
Inventor: COLBORN JEFFREY A
IPC: H01M50/77
Filed: 1997-10-01
Abstract: Dispositif transportable (10) servant à réalimenter une batterie (40) et comprenant un boîtier (26), un réservoir (14) d'électrolyte à l'intérieur du boîtier (26), un premier clapet relié au réservoir (26), un compartiment (12) de combustible à l'intérieur du boîtier (26), un deuxième clapet relié au compartiment (12), un conduit (24) relié au réservoir d'électrolyte et au compartiment (12) de combustible quand le dispositif transportable (10) est relié à une batterie (40) à réalimenter et un circuit fermé pour la circulation de l'électrolyte. La batterie (40) à réalimenter reçoit du combustible en particules (62) et de l'électrolyte (60) depuis le dispositif transportable (10). Quand la batterie (40) est déchargée, on détache de cette dernière le dispositif transportable (10) contenant l'électrolyte usée et des produits réactionnels.
Patent CA-2271851-A1 (CA)
Inventor: VAN NOORT LEO WIM
IPC: C09D5/03
Filed: 1997-12-01
Abstract: On peut obtenir des résines de polyester linéaire à fonctionnalité carboxyle tertiaire en mettant en réaction a) au moins un 1,4-dicarboxylcyclohexane (A) éventuellement mélangé avec une fraction de faible poids d'un acide alcane dicarboxylique contenant 8 à 16 atomes de carbone (A'); b) au moins un composé d'acide dihydroxymonocarboxylique (B) comprenant un groupe carboxyle aliphatique tertiaire et deux groupes hydroxyles aliphatiques; c) éventuellement un composé diol (C) comprenant deux groupes hydroxyles aliphatiques, l'un et l'autre pouvant être, indépendamment, un groupe hydroxyle primaire ou secondaire; et éventuellement d) un composé (D') comprenant un groupe hydroxyle primaire ou secondaire monofonctionnel et/ou un composé (D'') comprenant un groupe hydroxyle primaire ou secondaire et un groupe carboxyle aliphatique tertiaire. Le rapport molaire des composés (A+A'):B:C:D':D'' est X+Y+1:Y:X:M:N, M+N étant de l'ordre de 0 à 2, X étant compris entre 2 et 8 et Y étant de l'ordre de [2-(M+N)] à 8, à une température allant de 100 à 225 ·C, jusqu'à ce que sensiblement tous les groupes carboxyles non tertiaires, tels que présents initialement dans le mélange réactionnel, aient été mis en réaction. On peut également obtenir des polyglycidylesters à partir desdites résines de polyester, ainsi que des compositions de revêtement contenant au moins une résine de polyester et/ou au moins une résine de polyglycidylester.
Patent CA-2273097-A1 (CA)
Title: Sugar compounds, gelling agents, gelling agent compositions, processes for the preparation of them, and gel compositions
Inventor: ANDO KENSHI
IPC: A61Q19/00
Filed: 1997-11-21
Abstract: Gelling agents containing at least one of the sugar compounds represented by general formulae (1) and (2) wherein R1 and R2 are each independently C1-C3 alkyl, C1-C3 alkoxyl or halogeno; and p is 0 or 1. The gelling agents are extremely useful for aqueous media.
Patent CA-2273989-A1 (CA)
Title: New histidine derivatives, preparation process, and their use as free antiradical agents
Inventor: PHILIPPE MICHEL
IPC: C07D233/60
Filed: 1997-10-31
Abstract: The invention relates to new histidine derivatives which correspond to general formula (I), wherein: R denotes an alkyl radical, linear or ramified, saturated or unsaturated, with from 6 to 22 carbon atoms, n is a whole from 1 to 16, Q?+¿ represents H?+¿ or an organic or mineral cation, and addition salts with an acid. The invention equally concerns a process for preparing the compounds in the formula (I) and the user of these compounds in the cosmetics and pharmaceutical industries.
Patent CA-2274641-A1 (CA)
Title: Improved packaging composition
Inventor: HOH GEORGE LOK KWONG
IPC: C08F6/00
Filed: 1997-12-10
Abstract: The present invention relates to an improved packaging composition comprising an ethylene copolymer selected from ethylene acid or ester copolymers such as ethylene vinyl acetate, ethylene/acrylic acid or methacrylic acid copolymers which optionally contain a third comonomer such as an alkyl acrylate and the corresponding ionomers of said copolymers which are blended with a hydrophilic zeolite to form a composition which removes residual acids or small esters from the polymeric or ionomeric composition containing such residual acids.  The acids may be present as initial by products in the copolymerization process or may be degradation products. The use of these compositions is particularly important when the resins are formed into packages or other fabricated material which are exposed to acid sensitive material.
Patent CA-2274750-A1 (CA)
Inventor: MEIXNER LARRY A
IPC: C09J7/38
Filed: 1997-05-30
Abstract: Adhesives having a microreplicated topography are prepared from contacting a microembossed pattern to a layer of adhesive. When an adhesion interface is established between the layer of adhesive and a supporting substrate, the topography of the adhesive surface controls the performance of the adhesion interface. Articles having microreplicated adhesive surfaces are also disclosed that have an advantage of providing microchannels for fluids egress for an effective period of time. Multiple microembossed patterns produce microreplicated adhesive surfaces having both microchannels for fluid egress and pegs for improved adhesive properties.
Patent CA-2275694-A1 (CA)
Title: Systeme antenne pour satellite double mode/telephone portable cellulaire
Inventor: DENT PAUL W
IPC: H01Q5/40
Filed: 1997-12-19
Abstract: L'invention concerne une antenne pouvant fonctionner dans deux bandes de fréquence différentes. L'antenne comprend une première hélice quadrifilaire constituée de quatre éléments conducteurs disposés en hélice, de façon à définir un cylindre ayant un diamètre sensiblement constant, et formée de deux hélices bifilaires disposées perpendiculairement et excitées en quadrature de phase. Un réseau d'alimentation en quadrature est connecté à la première hélice quadrifilaire, une extrémité d'un élément de couplage étant connectée à une première extrémité de chaque élément conducteur. Le réseau d'alimentation en quadrature comporte également un premier point d'alimentation pour le fonctionnement de l'antenne avec une polarisation circulaire dans une première bande de fréquence et un second point d'alimentation pour le fonctionnement de l'antenne avec une polarisation linéaire dans une seconde bande de fréquence. L'antenne peut comprendre une seconde hélice quadrifilaire connectée au réseau d'alimentation en quadrature, constituée de quatre éléments conducteurs disposés en hélice, de façon à définir un cylindre ayant un diamètre sensiblement constant, et formée de deux hélices bifilaires disposées perpendiculairement et excitées en quadrature de phase. La seconde hélice quadrifilaire est enroulée dans le sens opposé à celui de la première hélice quadrifilaire, de façon à être couplée de manière conductrice avec elle.
Patent CA-2278229-A1 (CA)
Inventor: LAMANCE DAVID S
IPC: G01V1/20
Filed: 1997-12-18
Abstract: A solid marine seismic cable assembly (10) includes a cable (16) hydrophone housings (20), a buoyant filler (24), and an outer protective jacket (28). The cable includes a load-bearing fiber bundle (32), data-transmitting wires (36), power conductors (38), optical fibers (40), and a protective sheath (42). The data-transmitting wires (36), power conductors (38), and optical fibers (40) surround the load-bearing fiber bundle (32). The protective sheath (42) surrounds the assembly of the data-transmitting wires (36), power conductors (38), optical fibers (40), and the load-bearing fiber bundle (32). The hydrophone housings (20) affix around the cable (10) in a spaced-apart relationship. Each hydrophone housing (20) includes a hydrophone module (56), and each hydrophone module contains a hydrophone (14). The buoyant filler (24) surrounds the cable (16), and separates the hydrophone housing (20). The outer protective jacket (28) surrounds the hydrophone housing (20) and the buoyant filler (24), enclosing the cable (16) assembly.
Patent CA-2280729-A1 (CA)
Title: Coil apparatus and method for delivering diagnostic and therapeutic agents intravascularly
Inventor: PURSLEY MATT D
IPC: A61M25/00
Filed: 1998-02-13
Abstract: This invention is a coil apparatus (170) and method for delivering diagnostic and therapeutic agents intravascularly in which a coil is placed in an artery or other vessel at a diseased location, and the diagnostic or therapeutic agents are delivered by the coil to that specific location. The coil apparatus (170) includes a resilient fiber core (171) enclosed in a soft, hollow polymer tubing (172). The resilient fiber core has a pre-shaped coil at one end that overcomes the susceptibility of the polymer tubing to become uncoiled, while permitting a construction of the coil having a very small diameter. The polymer tubing is a radiopaque, and has a soft surface for engaging the inside of a vessel. The coil is deployed by a deployment device at a specific site in a vessel to be treated. Once at the delivery site, the deployment device ejects the coil out of a delivery sheath into the vessel. The polymer tubing covering the coil can be perforated or porous so that fluid based agents passing through one or more lumens of the tubing are ejected out of the coil to the site to be treated. Alternatively, a soluble coating (173) containing the diagnostic or therapeutic agents can be applied to the outer surface of the polymer tubing, rather than passing fluid based agents through a lumen of the tubing. Variations in the shape of the coil and in the deployment devices are disclosed.
Patent CA-2280828-A1 (CA)
Title: Pipe system cleaning and in-line treatment of spent cleaning solution
Inventor: LUDWIG JEROME H
IPC: B08B9/027
Filed: 1998-03-04
Abstract: A mobile cleaning unit (50) is connected to a fouled pipe (60) to be cleaned.  A pump (65) circulates cleaning solution from a reservoir (70) through an injection valve (80) in the mobile cleaning unit (50). The solution is regulated by diverter valves (85a, 85b) to an upstream valve (90), through the pipe (60), out a downstream valve (100), and through a return valve (110) to the reservoir (70). Treatment is monitored at either an upstream (115) or a downstream isolation valve (118). Spent solution is recirculated until it is environmentally safe for discharge out a drain valve (120). The process minimizes both the volume of treated spent solution and the treatment time.
Patent CA-2281939-A1 (CA)
Title: Triphase extraction column
Inventor: KOSTANIAN ARTAK ERANOSOVICH
IPC: B01D11/04
Filed: 1998-02-09
Abstract: Described is a triphase extraction column consisting of two chambers (1, 2) whose upper and lower parts are connected by overflows (3) and which are fitted with connection pieces (4, 5, 6, 7) for feeding and discharging a first and a second dispersed phase. Said column has at least one chamber with fixtures, specially packing or perforated bottoms.
Patent CA-2282525-A1 (CA)
Title: Method of compensating for shut height variation
Inventor: WELSH SCOTT D
IPC: B26D5/20
Filed: 1999-01-05
Abstract: A method for compensating for the variation in shut height of a press (4) during stamping and forming as it is starting and stopping comprising user input of the minimum press speed at which feeding (1) of feed material (2) to the press (1) should commence, monitoring (6) of the actual press speed, and feeding (1) of the feed material (2) only when a minimum press speed representing a desired press shut height has been achieved. A method for inputting a desired shut height range, monitoring (7) actual shut height and feeding (1) feed material (2) only when the actual shut height is within the desired shut height range is also disclosed.
Patent CA-2284175-A1 (CA)
Title: Multi-service circuit for telecommunications
Inventor: CARLSSON DAN
IPC: H04L12/70
Filed: 1998-12-30
Abstract: A multi-service integrated hardware circuit (20) transmits cells between an external interface (62) and plural on-board service devices (70 1, 70 2, 72, and 74) handling differing telecommunication services. The on-board service devices include one or more ATMF transceivers (70 1, 70 2), a Utopia 2 level device (74), and a circuit emulator (72) which interfaces with one of a PCM interface (30 1, 30 2) and an E1 or TI interface (32). The multi-service circuit comprises a multiplexer/demultiplexer core (60) which connects to the external interface (62) and which connects via an internal interface (64) to the plural service devices. In the illustrated embodiments, the external interface (62) and internal interface (64) are Utopia level 2 interfaces.